Atomizer



' June 14, 1938. v c, w, BECK 2,120,948

ATOMIZER Filed Nov. 18, 1935 INVENTOR Patented June 14, 1938 v ATOMIZERCharles w. 'Beck, was; Ohio.

Application November 18, 1935; Serial No. 50;22'2

head jointly on the rubber bulb and the fluid. re-

ceptacle.

Referring to the drawing: Fig. 1 is a cross section of a-completeatomizer, except as to the head, which latter is shown in elevation,embodying the invention.

Fig. .2 represents a plan view of theatomizer shown in Fig: 1.,

L Fig. 3 represents a cross section of the atomizer head along lines3--3l of Fig. 5.

Fig. 4 represents across section of the atomizer head along lines 4 4?of Fig. 5.

Fig. 5 represents a plan view of the atomizer head shown in Figs. 3 and4.

Fig. 6 represents a cross section of the complete neck of the rubberbulb shown in Fig. '7 along lines B -6 Fig. 7 represents a cross sectionof the upper part of therubber bulb, broken away from the main body ofthe bulb.

Again referring to the drawing, the atomizer is composed of a softrubber bulb 2, which is provided with an open neck 2 the neck beinghollow and opening into an enlarged cavity of the bulb and which bulb isclosed except as to the opening 2 in the neck. The bulb has a flatsurface on the bottom on which to rest. The bulb 2 is constructed toreceive a fluid receptacle 5, as illustrated in Fig. 1 and tapersupwards and downwards from its middle to form the neck- 2 at its upperend with opening 2 and an an nular air channel 8, in the form of arecess on the inside of the neck, near the top of the bulb.

' nication with the annular air space 8 of the neck. A furtherhorizontal cavity or recess 1* is arranged on the inside of the neck 2 ashort distance below the annular air space 8, to receive a lip 1 of thefluid receptacle when in position, see Fig. 1.

The atomizer, in addition to the bulb, comprises a fluid receptacle 5and an atomizerhead l which latter has a neck l for closing the'fluidreceptacle and the neck 2 at the same time. The fluid receptacle isfilled first and then the shown) tacle by'its neck I a being thrust intothe opening of the fluid receptacle into which it 'fits snugly, a rubbergasket (not shown) being attachedto the neck I after which the fluidreceptacle is inserted into the neck'2 of the bulb into the positionshown in Fig. 1.

The atomizer head I, is made of screw stock suitable for the antisepticor other fluid'to be used therein, or it may be made of a die casting.The head l'proper is arranged with air passages as illustrated insection in Fig. 3 and fluid passages as illustrated in Fig. 4.v It willbe noted that the fluid passagesenter into and terminate in mixingchamber space l5 at l5 Fig. 3. These fluid passages areshown in crosssection in Fig. 4 and designated as 26and 21, while'themixing chamber l5with mixing space l5'is shown-in cross section in Fig. 4. See Fig.

5 lines l i for the direction of the fluid passages into the mixingchamber l5 of nozzle 4.

As will be noted the atomizer head has mounted on it nozzle 4 onto theouter end of which is screwed cap 3 to seal the end of the nozzle with agasket seated on the inside of cap 3 (not The atomizer head also hasmounted at'the neck end I a fluid tube 29 provided with notches 30 forattaching rubber hose 6 to reach the bottom of the fluid receptacle andin the fluid passage 21, a plug 28 is arranged to close that passage, sothatthe fluid will be elevated through rubber tube 6 into passage 3|,thence into passages 21 and 26 into opening l5 in the mixing chamber l5and ejected throughopening M of nozzle 4. The atomizer head further isprovided in the air passage [6, at its upper and lower enlargedopenings, with two check valves II and 20. These check valves are madeup of casings II and which contain ball valves l2 and I8, and springs l3and H), which are held in the casings by the flanges illustrated in thedrawing. These check valves are further provided with openings I 0 and22 and 2| and 23 respectively on the upper and lower check valves, so asto be in open communication with air passage l6. It will also be notedthat air passage [6 is in open communication with mixing cham- PATENTomceiz i ber l5 of nozzle 4 and that a passage I1 is placed while theupper check valve will permit air to enter passage II] for the inflationof the bulb, but will not permit the exit of air through passage I!)when the bulb is deflated by hand. Cap 3 of the head I is knurled asindicated at 3.

The neck opening 2 is somewhat smaller than the outside diameter of thefluid receptacle, so that when assembled the neck 2 will fit snuglyaround itand make a tight joint between the neck of the bulb and theneck I of the atomizer head with the enlarged part of the atomizer headresting against the top of the neck of the rubber bulb, as illustratedin the assembly of Fig. 1. It will be apparent to anyone skilled in theart, that a pressure on the soft rubber bulb will expel the air when thecap 3 is removed and mix the fluid with it in the mixing chamber l5 toatomize it and expel it in that form through passage l4 and that whenthe bulb is released from its deflated condition that the springiness ofthe bulb will suck in air through passage ID, as well as through thenozzle opening I4 and pass down through air channels I6, I 'l, thencethrough 8 and through 9 into the body of the bulb until it is againfully inflated with air when the operation of expelling and atomizing isrepeated.

I claim: l

1. An atomizer comprising a hand operated bulb having a hollow neckformed with a longitudinal air passage leading into its interior, saidneck having an annular cavity on its inner circumference communicatingwith said longitudinal air passage, a fluid receptacle within said bulband having an externalperipheral lip receivable in the neck of said bulbto support the fluid receptacle, a head having air and fluid passageswhich communicate respectively with said annular air passage and theinterior of the fluid receptacle, a spray nozzle carried by the head,said spray nozzle having communication with the air channel and thefluid receptacle.

2. An atomizer in accordance with claim 1, wherein there are checkvalves for controlling the air and fluid passages of the head.

3. An atomizer comprising a hand operated bulb having a hollow neck withan air passage located within the neck of said bulb leading into itsinterior, a fluid receptacle within said bulb, means within the neck tosupport the fluid receptacle, a :head directly mounted onsaid bulb, saidhead having air passages which communicate directly with the air passagewithin the neck of said bulb leading into the interior of the bulb andfluid passages which are in open communication with the fluidreceptacle, and a spray nozzle carried by said head, said spray nozzlehaving an enlarged chamber at its inner end and within the head, intowhich the air and fluid passages converge to atomize the fluid and ejectit from respectively with the air passage in said neck and the interiorof the fluid receptacle, said head also being provided with a mixingchamber into which the air and fluid passages converge and a spraynozzle communicating with said mixing.

chamber and carried by said head.

5. An, atomizer in accordance with claim 4 wherein there are checkvalves for. controlling the airand fluid from the fluid receptacle intothe head. I 1

CHARLES W. BECK.

